web前端案例-纯css代码制作吃豆豆加载效果

<style>
@-webkit-keyframes up {
0%, 100% {
transform: rotate(0);
}
50% {
transform: rotate(-30deg);
}
}
@-moz-keyframes up {
0%, 100% {
transform: rotate(0);
}
50% {
transform: rotate(-30deg);
}
}
@-o-keyframes up {
0%, 100% {
transform: rotate(0);
}
50% {
transform: rotate(-30deg);
}
}
@keyframes up {
0%, 100% {
transform: rotate(0);
}
50% {
transform: rotate(-30deg);
}
}
@-webkit-keyframes down {
0%, 100% {
transform: rotate(0);
}
50% {
transform: rotate(30deg);
}
}
@-moz-keyframes down {
0%, 100% {
transform: rotate(0);
}
50% {
transform: rotate(30deg);
}
}
@-o-keyframes down {
0%, 100% {
transform: rotate(0);
}
50% {
transform: rotate(30deg);
}
}
@keyframes down {
0%, 100% {
transform: rotate(0);
}
50% {
transform: rotate(30deg);
}
}
@-webkit-keyframes r-to-l {
100% {
margin-left: -1px;
}
}
@-moz-keyframes r-to-l {
100% {
margin-left: -1px;
}
}
@-o-keyframes r-to-l {
100% {
margin-left: -1px;
}
}
@keyframes r-to-l {
100% {
margin-left: -1px;
}
}
body {
background: #000;
overflow: hidden;
margin: 0;
}
body .pacman:before, body .pacman:after {
content: '';
position: absolute;
background: #FFC107;
width: 100px;
height: 50px;
left: 50%;
top: 50%;
margin-left: -50px;
margin-top: -50px;
border-radius: 50px 50px 0 0;
-webkit-animation: up 0.4s infinite;
-moz-animation: up 0.4s infinite;
-o-animation: up 0.4s infinite;
animation: up 0.4s infinite;
}
body .pacman:after {
margin-top: -1px;
border-radius: 0 0 50px 50px;
-webkit-animation: down 0.4s infinite;
-moz-animation: down 0.4s infinite;
-o-animation: down 0.4s infinite;
animation: down 0.4s infinite;
}
body .dot {
position: absolute;
left: 50%;
top: 50%;
width: 10px;
height: 10px;
margin-top: -5px;
margin-left: 30px;
border-radius: 50%;
background: #ccc;
z-index: -1;
box-shadow: 30px 0 0 #ccc, 60px 0 0 #ccc, 90px 0 0 #ccc, 120px 0 0 #ccc, 150px 0 0 #ccc;
-webkit-animation: r-to-l 0.4s infinite;
-moz-animation: r-to-l 0.4s infinite;
-o-animation: r-to-l 0.4s infinite;
animation: r-to-l 0.4s infinite;
}

</style>